5

Question 1

– This refers to colored disks of glass or gelatine which are placed in front
of the camera lens to improve the quality of pictures

Answer 1

Filters

Question 2

Photographic Filters

Answer 2

Blue Filters
Green Filters
Yellow Filters
Ultraviolet or UV Filters
Neutral Density Filters
Polarizing filters
Haze and skylight filters
Correction filters

Question 3

– This refers to photographic filters that are used effectively when
photographing blood. When used outdoors, a blue filters will make the sky, or any blue
object, appear white in the photograph

Answer 3

Blue Filters

Question 4

– This refers to photographic filters that are used in place of blue
filters for photographing blood. Often, they work better than blue filters

Answer 4

Green Filters

Question 5

– This refers to photographic filters that are used to photograph
white cars; the details of the car will stand out

Answer 5

Yellow Filters

Question 6

– This refers to photographic filters that is used
toscreens out the violet end of the spectrum. It is placed in front of a lens and left there;
it will not only improve most of the police photographer’s work, it will also prevent the
lens from being scratched.

Answer 6

Ultraviolet or UV Filters

Question 7

– This refers to photographic filters that are used to cut
down light transmission. It does not affect the tonal quality of the scene. They are also
used to reduce the light intensity to prevent over exposure.

Answer 7

Neutral Density Filters

Question 8

– This refers to photographic a filter that is used primarily to
control light reflected from highly polished surfaces, metallic objects and others. It is very
useful in photographing many different vehicles in auto accidents

Answer 8

Polarizing Filters

Question 9

– This refers to photographic filters that are used to
remove excess bluishness from distant view outdoors

Answer 9

Haze and Skylight Filters

Question 10

– This refers to photographic filters that are intended to alter
the response to the spectral sensitivity in terms of the naked eye.

Answer 10

Correction Filters

Question 11

This refers to the ratio of the time exposure with or without filter.

Answer 11

Filter Factors –

Question 12

Filter factors depends upon the:

Answer 12

1. Absorption characteristics of the filter
2. Subject;
3. Spectral sensitivity of the emulsion; and
4. Processing conditions. (Delizo, 2015)